Home / 812,919.11-1,122,014.97-540,998.46

Finding the Fourth Proportional to 812,919.11, 1,122,014.97 and 540,998.46

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Solution

The fourth proportional to 812,919.11, 1,122,014.97 and 540,998.46 is: 746,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,919.11 : 1,122,014.97 = 540,998.46 : x
  2. Step 2: Convert to fraction form
    812,919.11/1,122,014.97 = 540,998.46/x
  3. Step 3: Cross multiply
    812,919.11x = 1,122,014.97 × 540,998.46
  4. Step 4: Simplify right side
    812,919.11x = 607,008,370,866.95
  5. Step 5: Solve for x
    x = 607,008,370,866.95/812,919.11
  6. Step 6: Final answer
    x = 746,702.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.